What is CVE-2026-24378?

CVE-2026-24378 is a critical-severity vulnerability in Metagauss Eventprime, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-03-25.

How severe is CVE-2026-24378?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Metagauss Eventprime

CVE-2026-24378

Deserialization of Untrusted Data vulnerability in Metagauss EventPrime eventprime-event-calendar-management allows Object Injection.This issue affects EventPrime: from n/a through <= 4.2.8.0.

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (19.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Metagauss Eventprime — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

patchstack.com/database/Wordpress/Plugin/eventprime-event-calendar-management/v… (vdb-entry)

Frequently asked questions

What is CVE-2026-24378?: CVE-2026-24378 is a critical-severity vulnerability in Metagauss Eventprime, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-03-25.
How severe is CVE-2026-24378?: Critical severity. CVSS v3 base score is 9.8 out of 10.